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To summarize: downloading a generic "Jinka 721 driver" from a random site will often lead to failure. The secret is to identify the Realtek chipset (likely 8812BU or 8821CU), download the driver from a trusted source (GitHub or Microsoft Update Catalog), and then install it with driver signature enforcement disabled. download driver jinka 721 for windows 10 work
The Jinka 721 driver does work on Windows 10. However, it is not a seamless experience. Success requires manual intervention in Device Manager to force the driver installation and precise configuration of the Communication (COM) port within the design software. To get your (also known as the )